But now 16 students at Millfield School in Pilton, Somerset, have signed up too.
Mr Edgley already ships bands into Glastonbury by helicopter, and runs fun trips for music fans at the festival.
"What I'm doing is just making everybody happy at school, and it's fun for the kids," he said. "My son's particularly looking forward to it."
Glastonbury Festival is from 27-29 June and features bands like Radiohead, REM and Sugababes.